An expression that can be used for almost anything such as replacing a curse or so on. The word originated from the sheer boredom of what was happening at the time, but no one knows how it came about.
1) Fat juicy jiggly cows!
2) Oh my Fat juicy jiggly cows! The dogs have ran away!
3) Those are some fat juicy jiggly cows!
4) Fat juicy jiggly cows, it's hot outside!
5) You are such a fat juicy jiggly cow!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.